Coolblus: 8 DOE certified models

Key findings

• Highest certified cooling capacity among its portable ACs: Coolblus PAC-A026A-10KRH at 10,300 BTU/h SACC.

Portable air conditioners

8 Coolblus portable ACs, listed models first. DOE data as of 2026-11-03.

#	Photo	Model	Labels	SACC, BTU/h	Covers	CEER	Hose	Heat	Brands	Amazon
1		CoolblusPAC-A018E-08KRfiled as ACHIMCO PAC-A018E-08KRH	CEER 7.3 Single hose Sold under 3 brands	8,150SACC, up to 350 sq ft	350 sq ft	7.3	Single hose	No	3	Check price on Amazon
2		CoolblusPAC-A016B-07KRfiled as ACHIMCO PAC-A016B-07KR	CEER 7 Single hose Sold under 11 brands	7,100SACC, up to 300 sq ft	300 sq ft	7	Single hose	No	11	Check price on Amazon
3		CoolblusPAC-A016B-07KRHfiled as ACHIMCO PAC-A016B-07KRH	CEER 7 Single hose Heat Sold under 3 brands	7,100SACC, up to 300 sq ft	300 sq ft	7	Single hose	Yes	3	Check price on Amazon
4		CoolblusPAC-A019K-05KRfiled as AOBOSI A019E-05KR	CEER 6.5 Single hose Sold under 12 brands	5,100SACC, up to 150 sq ft	150 sq ft	6.5	Single hose	No	12	Check price on Amazon
5		CoolblusPAC-A026A-10KRHfiled as ACHIMCO PAC-A026A-10KRH	CEER 10 Single hose Heat Sold under 3 brands	10,300SACC, up to 450 sq ft	450 sq ft	10	Single hose	Yes	3
6		CoolblusPAC-A035A-07KRfiled as ACHIMCO PAC-A035A-07KR	CEER 6.9 Single hose Heat Sold under 3 brands	7,000SACC, up to 300 sq ft	300 sq ft	6.9	Single hose	Yes	3
7		CoolblusPAC-A019K-06KRfiled as ACHIMCO PAC-A019K-06KR	CEER 6.6 Single hose Sold under 8 brands	6,000SACC, up to 250 sq ft	250 sq ft	6.6	Single hose	No	8
8		CoolblusPAC-A019J-05KRfiled as ACHIMCO PAC-A019K-05KR	CEER 6.5 Single hose Sold under 10 brands	5,100SACC, up to 150 sq ft	150 sq ft	6.5	Single hose	No	10

How efficient are Coolblus portable ACs?

Of the 8 Coolblus portable ACs, 1 files a higher CEER than the class median, 1 matches it and 6 fall below it.

A higher CEER means more cooling per watt.

Who makes Coolblus portable ACs?

DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.

Coolblus shares 8 units with 21 other brands. Brands it shares with, and how many units each:

• ACHIMCO7
• Line Blaster7
• ROVSUN4
• ZOKOP3
• AOBOSI2
• Dokoworld2
• JHS2
• Ktaxon2
• Moxeay2
• PASAPAIR2
• Spürbar2
• BLACK+DECKER1
• DENBIG1
• EUHOMY1
• FIOGOHUMI1
• GARVEE1
• GINOST1
• Grelife1
• JYMIPA1
• PQH1
• VCK1

How much does a Coolblus portable AC cost to run?

While cooling, Coolblus portable ACs draw about 785 to 1,116 W (certified SACC divided by CEER). That's 14¢ to 20¢ an hour, or $34.20 to $48.66 for 30 days at 8 hours a day. The lowest is Coolblus PAC-A019K-05KR (5,100 BTU/h SACC, CEER 6.5) and the highest Coolblus PAC-A018E-08KR (8,150 BTU/h SACC, CEER 7.3).

At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.

Questions about Coolblus

Is Coolblus a good portable AC brand?

How its 8 portable ACs compare on efficiency with their DOE class is above. 8 of them are the same unit as another brand's model. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.

How big a room will a Coolblus portable AC cool?

Its models certify 5,100 to 10,300 BTU/h SACC, which ENERGY STAR's sizing chart puts at 150 to 450 sq ft. Every one was tested single hose. SACC and the BTU figure on the box.

Which Coolblus portable AC is the most efficient for its size?

Coolblus PAC-A026A-10KRH, at CEER 10: higher than 1,030 of the 1,044 single hose portable ACs certified to DOE. At the other end are Coolblus PAC-A019K-05KR and Coolblus PAC-A019J-05KR, at CEER 6.5, higher than 108 of the 1,044 in its class.

Is Coolblus the same as ACHIMCO?

For 7 units, yes: both file them under the same DOE basic model (PAC-A016B-07KR, PAC-A016B-07KRH, PAC-A018E-08KRH, PAC-A019K-05KR and 3 more). The other Coolblus basic model isn't filed by ACHIMCO.